Arriving at Heathrow Airport made Robiul fidgety. He'd been waiting over an hour to pass the immigration desk. Back home, he'd heard a few unpleasant stories, where immigration officers would refuse entry to anyone they were not satisfied with, even if that passenger had a visa.

It had been raining lightly since morning. During the monsoon, the North-Eastern Bengal Haor wetland areas would go under deep water, the water remaining for half of the year. Boats would become the prime mode of transportation.